InChI=1/C24H22N2O3/c1-26(2)21-12-5-18(6-13-21)7-15-23(27)19-8-10-20(11-9-19)25-24(28)16-14-22-4-3-17-29-22/h3-17H,1-2H3,(H,25,28)/b15-7+,16-14+/f/h25H 2F22B793C0247AE2